Computation 2 Review for Retest

which expressions is equivalent to 1.2 + (-3.8)?

• 1.2 + 3.8

• -1.2 - 3.8

• 1.2 - 3.8

• -3.8 + 1.2

which expression is equivalent to 5 - 9?

• 5 + (-9)

• 5 + 9

• -5 + 9

• -5 - (-9)

Which expression is equivalent to

 $-\frac{4}{5}\ +\ \frac{2}{3}$  

•  $\frac{4}{5}\ -\ \frac{2}{3}$  

•  $-\frac{4}{5}\ -\ \frac{2}{3}$  

•  $\frac{2}{3}\ -\ \frac{4}{5}$  

•  $\frac{2}{3}+\ \frac{4}{5}$  

Which expression is equivalent to -12 - (-8)?

• 12 + 8

• 12 -8

• -12 - 8

• -12 + 8

Which expression is equivalent to 9 - (-7)?

• 9 -7

• 9 + 7

• -9 -7

• -9 + 7

• 19-7=12
• 0+12+7=19
• 12+7=19

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

What equation is modeled?

• 7 + -6 = -6
• 7 + -13 = -6
• 7 + -14 = -6
• -6 + -14 = -6

Tags

CCSS.7.NS.A.1B

What equation is modeled?

• 15 + 25 = -10
• 15 + -25 = -10
• -10 + 15 = -10
• -25 + 15 = -10

Tags

CCSS.7.NS.A.1B

What equation is modeled?

• -7 + 8 =1
• -7 + 9 = 1
• 1 + -7 = -7
• 8 + -7 = 1

Tags

CCSS.7.NS.A.1B

What equation is modeled?

• 6 + -6 = -6
• -6 + 6 = 12
• 6 + -12 = -6
• -12 + 6 = -6

Tags

CCSS.7.NS.A.1B